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Official data from INPI

DISPOSITIVO RETROREFLETOR DE LUZ

Prazo de SigiloInvention Patent

Application data

Number

PI8902871

Type

Invention Patent

Filing

05/24/1989

Publication

02/01/1990

Progress at the INPI

  1. Filing05/24/89
  2. Publication02/01/90
  3. Examination10/23/90
  4. Allowance06/28/94
  5. Grant12/27/94
  6. Expired12/22/09

The letters patent expired on 12/22/2009: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. C. (pessoa física)

JP

Y. K. (pessoa física)

JP

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Inventors

H. M. (pessoa física)

JP

T. S. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

63-70620 · 05/27/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/25/1989

RPI 979

Carta-patente expirada

#21.1

Patente extinta em 24/05/2004

12/22/2009

RPI 2033

14.4

01/24/1995

RPI 1260

Concessão da patente

#16.1

12/27/1994

RPI 1256

Deferimento

#9.1

06/28/1994

RPI 1230

15.5

11/12/1991

RPI 1093

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

Publicação do pedido de patente

#3.1

02/01/1990

RPI 1004

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